Integrated circuits that can store data or can be used to process code.
There are a few different types of memory chips: volatile (like DRAM, SRAM, SDRAM) or non-volatile (ROM, EPROM, FLASH). Volatile memory loses its stored data when power to the memory chip is turned off. However it can be faster and less expensive than non-volatile memory. Non-volatile memory ICs have the capability to hold saved data even if power is turned off.

MT41K256M16TW-107 IT:P
1.45 V 4 Gbit Parallel 933 MHz 20 ns SMT V00H SDRAM DDR3L Memory IC - FBGA-96

SDSDQAF3-008G-I
Flash Memory Card, MicroSD Card, UHS-1, U1, Class 10, 8 GB

MT41K256M16TW-107:P
DRAM 4Gb (256M x 16) 933MHz Parallel 16bit FBGA-96 1.283V 130mA 1.45V SMD 14mm×8mm×1.1mm

MT25QL128ABA1ESE-0SIT
3.6 V 35 mA 128 Mbit 133 MHz Surface Mount FLASH - NOR Memory IC - SOIC-16
K4ZAF325BM-HC16
GDDR6 Dram, 512MX32, Cmos, PBGA180

MT25QU02GCBB8E12-0SIT
NOR Flash Serial-SPI 1.8V 2G-bit 2G/1G/512M x 1/2-bit/4-bit 6ns 24-Pin TPBGA Tray
MT40A1G16TB-062E IT:F
MT40A Series 1.26 V 16 Gbit Parallel 1.6 GHz 19ns DDR4 SDRAM Memory IC - FBGA-96

SDCIT2/8GB
Kingston Industrial TF Card, SDCIT2 Series, 8GB, Micro SD, Class 10, UHS-I, U3, V30, A1

MT41K256M16TW-107 AAT:P
4Gb (256M x 16) 256Mx16 1.283V 130mA 1.45V 933MHz Parallel 16bit FBGA-96 SMD 14mm × 8mm × 920μm

SDSDQAF3-016G-I
Flash Memory Card, MicroSD Card, UHS-1, U1, Class 10, 16 GB

MT25QL512ABB8ESF-0SIT
SPIFLASHNORSLC128MX4SOIC, Tray, Flash IC; SPIFLASHNORSLC128MX4SOIC, Tray, Flash IC

W25Q128JVSIQ
NOR Flash Serial (SPI, Dual SPI, Quad SPI) 3.3V 128M-bit 16M x 8 6ns 8-Pin SOIC Tube